DE60228529D1 - Sound reproduction device - Google Patents

Sound reproduction device

Info

Publication number
DE60228529D1
DE60228529D1 DE60228529T DE60228529T DE60228529D1 DE 60228529 D1 DE60228529 D1 DE 60228529D1 DE 60228529 T DE60228529 T DE 60228529T DE 60228529 T DE60228529 T DE 60228529T DE 60228529 D1 DE60228529 D1 DE 60228529D1
Authority
DE
Germany
Prior art keywords
reproduction device
sound reproduction
sound
reproduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60228529T
Other languages
German (de)
Inventor
Kazutaka Abe
Kenichi Terai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60228529D1 publication Critical patent/DE60228529D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE60228529T 2001-07-30 2002-07-26 Sound reproduction device Expired - Lifetime DE60228529D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001230623 2001-07-30

Publications (1)

Publication Number Publication Date
DE60228529D1 true DE60228529D1 (en) 2008-10-09

Family

ID=19062800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228529T Expired - Lifetime DE60228529D1 (en) 2001-07-30 2002-07-26 Sound reproduction device

Country Status (4)

Country Link
US (1) US7139402B2 (en)
EP (1) EP1282335B1 (en)
CN (1) CN1400847A (en)
DE (1) DE60228529D1 (en)

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US7483543B2 (en) * 2003-01-06 2009-01-27 Motorola, Inc. Stereo imaging manifold and method for use in a portable electronic device
KR100504141B1 (en) * 2003-01-22 2005-07-27 삼성전자주식회사 Apparatus and method for having a three-dimensional surround effect in potable terminal
EP1450577B1 (en) * 2003-02-20 2006-08-16 Sony Ericsson Mobile Communications AB Electronic driving circuit for directing an audio signal selectively to one of two speakers
JP4134755B2 (en) * 2003-02-28 2008-08-20 ヤマハ株式会社 Speaker array drive device
JP4214834B2 (en) * 2003-05-09 2009-01-28 ヤマハ株式会社 Array speaker system
JP3876850B2 (en) * 2003-06-02 2007-02-07 ヤマハ株式会社 Array speaker system
DE602004024759D1 (en) * 2004-01-29 2010-02-04 Sony Ericsson Mobile Comm Ab Sound reproduction for portable electronic device
US7346315B2 (en) 2004-03-30 2008-03-18 Motorola Inc Handheld device loudspeaker system
US20050254661A1 (en) * 2004-05-14 2005-11-17 Motorola, Inc. Wireless device for capturing multiple channel audio
ATE428257T1 (en) * 2005-02-03 2009-04-15 Tcl & Alcatel Mobile Phones MOBILE DEVICE WITH AT LEAST TWO SPEAKERS TO GENERATE A STEREO EFFECT
US7991170B2 (en) * 2005-05-05 2011-08-02 Harman International Industries, Incorporated Loudspeaker crossover filter
US20080161064A1 (en) * 2006-12-29 2008-07-03 Motorola, Inc. Methods and devices for adaptive ringtone generation
JP4856559B2 (en) * 2007-01-30 2012-01-18 株式会社リコー Received audio playback device
US8121336B2 (en) * 2007-04-05 2012-02-21 Harman International Industries, Incorporated Directional loudspeaker to reduce direct sound
KR100919642B1 (en) * 2007-12-17 2009-09-30 한국전자통신연구원 Directive Speaker and mobile station thereof
US8559661B2 (en) * 2008-03-14 2013-10-15 Koninklijke Philips N.V. Sound system and method of operation therefor
CN104869524B (en) * 2014-02-26 2018-02-16 腾讯科技（深圳）有限公司 Sound processing method and device in three-dimensional virtual scene
CN105204814A (en) * 2014-06-24 2015-12-30 Tcl集团股份有限公司 Sound card switching method and system of Android system
CN107211230A (en) * 2014-12-03 2017-09-26 株式会社索思未来 Sound reproduction system
USD767635S1 (en) * 2015-02-05 2016-09-27 Robert Bosch Gmbh Equipment for reproduction of sound
CN105101039B (en) * 2015-08-31 2018-12-18 广州酷狗计算机科技有限公司 Stereo restoring method and device
KR102168355B1 (en) * 2018-07-30 2020-10-22 인하대학교 산학협력단 Mobile for preventing leakage of call contents using hopping
US11109156B2 (en) 2019-07-24 2021-08-31 Barefoot Sound, Llc Method and apparatus for improving effective signal-to-noise ratio of analog to digital conversion for multi-band digital signal processing devices
CN110753296B (en) * 2019-10-31 2021-02-02 歌尔科技有限公司 Sensitivity calibration method and device for left loudspeaker and right loudspeaker of wireless earphone and earphone box

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DE486095C (en) * 1932-12-25 1929-11-07 Georg Wagner Label tape or other tape to be cut at certain intervals
GB486095A (en) * 1936-02-17 1938-05-30 Telefunken Gmbh Improvements in or relating to sound radiating systems
US3088997A (en) * 1960-12-29 1963-05-07 Columbia Broadcasting Syst Inc Stereophonic to binaural conversion apparatus
US3781475A (en) * 1971-05-26 1973-12-25 Columbia Broadcasting Syst Inc Counterbalanced two speaker rotary tremolo device
NL8001119A (en) * 1980-02-25 1981-09-16 Philips Nv DIRECTIONAL INDEPENDENT SPEAKER COLUMN OR SURFACE.
US4403112A (en) * 1981-05-18 1983-09-06 Modafferi Acoustical Systems, Ltd. Phase shift low frequency loudspeaker system
US5208860A (en) * 1988-09-02 1993-05-04 Qsound Ltd. Sound imaging method and apparatus
DE3932858C2 (en) * 1988-12-07 1996-12-19 Onkyo Kk Stereophonic playback system
US5185801A (en) * 1989-12-28 1993-02-09 Meyer Sound Laboratories Incorporated Correction circuit and method for improving the transient behavior of a two-way loudspeaker system
US5095507A (en) * 1990-07-24 1992-03-10 Lowe Danny D Method and apparatus for generating incoherent multiples of a monaural input signal for sound image placement
JP3068635B2 (en) * 1990-08-31 2000-07-24 パイオニア株式会社 Speaker device
JPH0541897A (en) 1991-08-07 1993-02-19 Pioneer Electron Corp Speaker equipment and directivity control method
US5199075A (en) * 1991-11-14 1993-03-30 Fosgate James W Surround sound loudspeakers and processor
JP3205625B2 (en) 1993-01-07 2001-09-04 パイオニア株式会社 Speaker device
JP3213779B2 (en) 1993-06-30 2001-10-02 松下電器産業株式会社 Loudspeaker
US5617477A (en) * 1995-03-08 1997-04-01 Interval Research Corporation Personal wearable communication system with enhanced low frequency response
US5870484A (en) * 1995-09-05 1999-02-09 Greenberger; Hal Loudspeaker array with signal dependent radiation pattern
GB9603236D0 (en) * 1996-02-16 1996-04-17 Adaptive Audio Ltd Sound recording and reproduction systems
US5930376A (en) * 1997-03-04 1999-07-27 Compaq Computer Corporation Multiple channel speaker system for a portable computer
US5974153A (en) * 1997-05-19 1999-10-26 Qsound Labs, Inc. Method and system for sound expansion
US6683962B1 (en) * 1997-12-23 2004-01-27 Harman International Industries, Incorporated Method and system for driving speakers with a 90 degree phase shift
EP1113702A3 (en) * 1999-12-31 2002-12-18 Nokia Corporation Acoustic dipole radiator for portable electronic devices

Also Published As

Publication number Publication date
US20030021428A1 (en) 2003-01-30
EP1282335A2 (en) 2003-02-05
EP1282335A3 (en) 2004-03-03
CN1400847A (en) 2003-03-05
EP1282335B1 (en) 2008-08-27
US7139402B2 (en) 2006-11-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition